Nur, Resi Annisa, Deni Saepudin, and Rian Febrian Umbara. 2018. “PEMILIHAN PORTOFOLIO SAHAM DENGAN MENGGUNAKAN WEIGHTED FREQUENT ITEMSETS”. Indonesia Journal on Computing (Indo-JC) 3 (2), 91-102. https://doi.org/10.21108/INDOJC.2018.3.2.239.